Four crews from Norfolk and Suffolk tackled a blaze in an outbuilding after a boiler caught fire.
The firefighters were called to the Bromelands area near Diss at about 2.30am.
While the fire was put out by around 3.20am, crews remained on the scene until around 5.25am to check for hotspots and to make the site safe.
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Crews used jet hoses and respirators to tackle the blaze.
A spokeswoman for Suffolk Fire and Rescue Service said that the fire was at a residential property and confirmed that no injuries were reported.
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